As a result of the rapidly-spreading Omicron variant, last week saw the biggest spike in Covid case numbers since records began in March 2020, with 93,045 positive tests reported in the 24 hours to ...

Polymerase chain reaction (PCR) tests were the first available for spotting the coronavirus. They work by detecting the virus’s genetic material, and are very accurate. Then came rapid tests, also ...

A Covid-19 lateral flow test showing a negative result. Routine testing to identify those infected followed by efficient contact tracing, and supported isolation is still the most effective public ...

Just as we thought we understood COVID testing, along came omicron and raised a whole new bunch of questions. We asked Dr Andrew Lee, a reader in global public health, to answer them. The UK ...

Add Yahoo as a preferred source to see more of our stories on Google. As a result of the rapidly-spreading Omicron variant, this week saw the biggest spike in Covid case numbers since records began in ...